JP3916917B2 - Anti-skid system for roof work - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an on-roof work sliding prevention system, and in particular, an operator who performs work such as snow removal on a snowy area, installation of an antenna such as a television, repair work on a roof, painting of a roof plate, etc. on the roof, The present invention relates to a slip-off prevention system for work on a roof for preventing slipping from a roof.
[0002]
[Prior art]
Snow removal on snow-covered areas, installation of antennas for televisions, repair work for roofs, painting of roofing boards, etc. are dangerous work related to human life, and technology for ensuring the safety of such work is required. ing.
[0003]
Conventionally, there is a technique disclosed in Japanese Patent Laid-Open No. 2000-160792 as a means for ensuring safety for this type of work. This is a roof lifeline fixing means that is attached to the roof ridge part and includes a lifeline fixing means for fixing one end of the lifeline, and a substantially mountain-shaped left side piece disposed across both sides of the roof ridge part and , A plate-like body consisting of a right-side piece, and a pair of left and right slide plates that are slidably inserted into and attached to the left and right-side pieces, and the slide plate is inserted into and hooked on the back side of the building roof component It is intended to ensure safety in full-scale repair work for the entire roof and work for a long time that requires a lifeline fixing means.
[0004]
However, in this method, the apparatus is large-scale, the work from installation to removal is complicated, and there is a problem in speed. Therefore, it is not suitable for simple or local work on the roof such as snow removal on the roof, installation of antennas for televisions, repair work on the roof, painting of the roof plate, etc. There has been a demand for a technique that can ensure the safety of workers easily and quickly in the work on the roof.
[0005]
[Problems to be solved by the invention]
The object of the present invention is to provide a slip-prevention system for rooftop work with a simple configuration that can be easily and quickly installed and removed, and can be used for local rooftop work, except for the drawbacks of the prior art. It is to be.
[0006]
[Means for Solving the Problems]
As a result of intensive studies on the above problems, the present inventor has found that a slip-preventing structure can be configured on the basis of fixing means for sandwiching the folding edge of the roof plate, and the present invention has been achieved. That is, the invention claimed or at least disclosed in the present application as means for solving the above-described problems is as follows.
[0007]
(I) A support part for supporting the guard part described later by being installed in an inclined direction of the roof upper surface, and detachably fixed to the upper end part of the support part, and fixed to the roof by sandwiching the folding edge of the roof plate, On the roof, characterized in that it comprises clamping and fixing means for fixing the support part to the roof, and a guard part that is horizontally connected to the support part and prevents sliding off of the roof operator. Work slip-off prevention system.
(Ii) The supporting portion and at least two clamping / fixing means fixed to the supporting portion are provided, and the supporting portion is installed on a base frame along the roof top surface, and is supported by the base frame so as to cross the guard portion. It consists of a vertical frame for supporting the frame, and the guard part is composed of at least one or more detachable horizontal guard members that are horizontally connected between the vertical frames respectively provided on the base frames of the support part, The on-roof work slippage prevention system according to (i), wherein the support portion has angle adjusting means capable of adjusting an angle formed by the base frame and the vertical frame within an acute angle range.
(Iii) The number of the supporting parts and the holding and fixing means provided is two, and the number of the lateral guard members constituting the guard part is two. Prevention system.
[0008]
(1) It is fixed to the roof by sandwiching the folding edge of the roof plate, detachably fixed to the support portion for supporting the guard portion described later by being installed in the inclination direction of the roof upper surface, and the upper end portion of the support portion, a clamping fixing means for fixing to the roof of the support portion, a guard portion for preventing the slipping of the laterally placed linked roof worker roof to the support portion, Tona is, the support and which There are at least two clamping and fixing means to be fixed to the base frame, the support part being a base frame installed along the upper surface of the roof, and a vertical frame hinged to the base frame and horizontally supporting the guard part And the support portion has angle adjusting means capable of adjusting an angle between the base frame and the vertical frame within an acute angle range, and the guard portion is hinged by the hinge means. On the vertical frame A horizontal guard member horizontally mounted by means of a hinge and one or a plurality of horizontal guard members that can be detachably connected to the horizontal guard member. The clamping / fixing means fixes the clamping / fixing means to the base frame. And a holder for pressing and holding the folding edge of the roof from the side, and a clamping part for pressing the holding plate from the outside and crimping it to the folding edge. A slip-prevention system for work on the roof.
(2) The sliding work for roof operation according to (1), wherein the holding and fixing means includes a push lever connected to the holding portion to operate the holding portion. Prevention system.
[0009]
(3) A support portion for installing in the inclination direction of the roof upper surface and supporting the guard portion described later, and a roof plate that is detachably fixed to the upper end portion of the support portion and is formed downward in the roof inclination direction. It is fixed to the roof by sandwiching the folding edge from above and below, and sandwiching and fixing means for fixing the support part to the roof, and is horizontally connected to the support part to prevent the operator on the roof from sliding off. At least two support parts and the clamping and fixing means fixed to the support part. The support part is provided with a foundation frame installed along the roof surface, and a butterfly is attached to the foundation frame. And is provided with a vertical frame for horizontally supporting the guard portion, and the support portion has an angle adjusting means capable of adjusting an angle formed by the base frame and the vertical frame within an acute angle range. And the guard part At least a detachable horizontal guard member horizontally connected between the vertical frames respectively provided on each base frame of the support portion, and the butterfly on the vertical frame hinged by the hinge means A horizontal guard member that is hinged by the means and one or a plurality of horizontal guard members that can be detachably connected to the horizontal guard member. The clamping and fixing means is fixed to the substrate and the substrate. A holder for fixing the clamping and fixing means to the base frame, a holding plate that is screwed to the substrate and presses the folding edge of the roof from above and clamps the folding edge together with the substrate, An on-roof work slippage prevention system comprising: a clamping part for pressing the holding plate; and a push lever for fixing the clamping part and operating the clamping part like an eccentric cam.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
【Constitution】
Hereinafter, the present invention will be described in detail with reference to the drawings.
FIG. 1 is a perspective view showing an example of a roof work slippage prevention system according to the present invention. In the figure, the present system includes a support portion 30 mainly composed of a base frame 9 and a vertical frame 10 for supporting a guard portion (horizontal guard members 17, 18) installed in an inclined direction on the roof upper surface, and the support portion. A clamping and fixing means 1 which is detachably fixed to the upper end portion of the base frame 9 of the support portion 30 and fixed to the roof by clamping the folding edge of the roof plate, and the support It is mainly comprised from the guard part which consists of the horizontal guard materials 17 and 18 fixed to the part 30 so that attachment or detachment is possible, and preventing sliding off from the roof of a worker on a roof. FIG. 1 shows an example in which two supporting portions 30 and two clamping and fixing means 1 fixed to the supporting portion 30 are provided, but the present invention is not limited by the number of these provided portions.
[0011]
In the figure, the roof to which this system is applied is a roof of the roof top made of tin material, and the joint between the sooted steel materials consists of two parts that are folded along the slope of the roof. A fold edge 19 having a convex cross section is formed by a planar upper surface provided between the two portions.
[0012]
In the figure, the support 30 is installed along the top surface of the roof and connected and fixed to the clamping and fixing means 1 to fix the entire support 30 on the roof. It is mainly composed of a vertical frame 10 which is hinged through a hinge means such as a hinge 12 and supports the guard portions (horizontal guard members 17, 18) horizontally. As described above, two supporting portions are provided in the drawing.
[0013]
The vertical frame 10 of the support portion 30 is provided with a horizontal guard member horizontal means 15 for horizontally connecting the horizontal guard member 17, and the base frame 9 is connected to the horizontal guard member 18 horizontally. The horizontal guard member horizontal mounting means 16 can be provided. In the figure, the horizontal guard member horizontal means provided in the vertical frame 10 is one, but the present invention is not limited by the number of the horizontal guard material horizontal means provided.
[0014]
For example, a pipe material can be used as the horizontal guard member horizontal means 15 or the like.
[0015]
The support portion 30 can be provided with angle adjusting means 11 that can adjust the angle formed by the base frame 9 and the vertical frame 10 constituting the support portion 30 within an acute angle range. As the angle adjusting means, for example, an adjustment link member that can select a certain angle according to the inclination angle of the roof by selecting an angle fixing hole can be used. As described above, in the figure, two angle adjusting means are provided.
[0016]
In the figure, the guard portion includes a detachable horizontal guard member 17 horizontally connected to the horizontal guard member horizontal means 15 and 15B provided on the vertical frames 10 and 10B, and the base frames 9 and 9B, respectively. The horizontal guard member 18 is mainly composed of a detachable horizontal guard member 18 that is horizontally connected to the horizontal guard member 16 and 16B. FIG. 1 is an example (17, 18) in which two lateral guard members are provided, but the present invention is not limited by the number of lateral guard members provided.
[0017]
The horizontal guard members 17 and 18 are fixed and held on the vertical frames 10 and 10B and the base frames 9 and 9B, respectively, by, for example, a method of tightening the push screws 14 and 21 or the like.
[0018]
The clamping / fixing means 1 includes a holder 2 for fixing the clamping / fixing means 1 to the base frame 9 and two holding plates 5, 5 ′ for pressing and holding the folding edge 19 of the roof from the side. (Not shown), a holding part 4 for holding the holding plates 5 and 5 'from the outside and crimping the holding plate 5 to the folding edge 19, and a push lever connected to the holding part 4 for operating the holding part 4 3 mainly. The clamping and fixing means 1B is configured similarly.
[0019]
[Action]
In FIG. 1, in the on-roof work sliding prevention system of the present invention, the base frame 9 of the support portion 30 is installed so as to cover the convex folding edge 19 of the roof upper surface that is made of a tin rod. The clamping and fixing means 1 that is detachably fixed is fixed to the upper end portion of the base frame 9, and the folding edge 19 is crimped and clamped by the clamping and fixing means 1, whereby the clamping and fixing means 1 is fixed to the roof. Thus, the base frame 9 is fixed to the upper surface of the roof. Similarly, the foundation frame 9B is installed at the folding edge 19, and the clamping and fixing means 1B is fixed to the foundation frame 9B and fixed to the roof.
[0020]
A horizontal guard member 17, which is detachable, is mounted on the horizontal guard members 15, 15 B on the vertical frames 10, 10 B hinged to the base frames 9, 9 B by hinge means such as hinges 12, 12 B. On the other hand, the horizontal guard members 16 and 16B on the base frames 9 and 9B are connected to the horizontal guard members 18 and 16B in a similar manner, and the horizontal guard members 17 and 18 are pressed. It is fixed to each horizontal guard member horizontal means 15 or the like by screws 14 and 21 or the like.
[0021]
The vertical frames 10 and 10B hinged to the base frames 9 and 9B are adjusted by the angle adjusting means 11 and 11B so that the angles formed between the base frames 9 and 9B are within an acute angle range. Thus, the angle formed by the vertical frame 10 and the like with respect to the roof top surface is adjusted, and the installation height from the roof top surface of the guard portion made of the horizontal guard material 17 horizontally connected to the vertical frame 10 or the like is increased. Adjusted.
[0022]
Since the present system has the above-described configuration and operation, the rooftop operator installs the present system comprising the necessary number of support portions 30 and the clamping and fixing means 1 and the lateral guard member 17 and the like for constituting the guard portion. It can be transported up and installed on the top surface of an inclined roof to provide a means to prevent sliding off the roof. The number of the support portions 30 and the clamping and fixing means 1 may be one. However, the use of a plurality of the support portions 30 and the clamping and fixing means 1 makes it possible to further stabilize the operation of the system and enhance the effect of preventing slipping. Moreover, the effect of prevention of sliding down can further be heightened by making the number of side guard materials into plural. In addition, the angle adjusting means 11 and 11B can support the guard portion in the vertical direction even on a roof with any slope, and the sliding-off preventing effect can be enhanced.
[0023]
【Constitution】
FIG. 2 is a perspective view of the clamping and fixing means 1 of FIG. In the figure, the clamping and fixing means 1 includes a substrate 6 for fixing each component of the means 1 and a fixed installation on the surface of the substrate 6 along the substrate 6. A holder 2 for fixing to the base frame 9, a push screw 20 for fixing the holder 2 to the base frame 9, and a holding plate 5 fixed to the base plate 6 and 5 ′ (not shown) are hinged. Two L-shapes that are openable and closable to hold the folding edge 19 of the roof from the side surface. The holding plate 5 and 5 '(not shown), a fulcrum structure 27 fixed to the substrate 6, a pin 7 provided on this and serving as a fulcrum for the operation of the push lever 3 to be described later, and the pin provided via the pin 7 7 is moved up and down with the fulcrum 7 as a fulcrum to operate The holding plate 5, 5 ′ is clamped from the outside through the hinge means 13 and 13 ′ fixed to the push lever 3 via the connecting lever 8 and the connecting structure 8. And a clamping part 4 for crimping to the surface. The clamping and fixing means 1B is configured similarly.
[0024]
The L-shaped holding plates 5, 5 'are in the state of being directed inward so that the tip of the portion corresponding to the bottom of the L-shape is pressed against the side surface of the folding edge 19 of the roof. 13 'is fixed. Further, the distance between the two clamping action portions in the clamping portion 4 is such that when the holding plates 5 and 5 ′ are clamped from the outside, the tip of the portion corresponding to the bottom of the L-shape of the holding plates 5 and 5 ′ The distance is set such that the portion can be pressed against the side surface of the folding edge 19.
[0025]
[Action]
In FIG. 2, the holder 2 is detachably provided at the upper end portion of the base frame 9 of the support portion 30, and is fixed to the base frame 9 with a push screw 20, and the substrate 6 is placed on the upper surface of the folding edge 19 of the roof. The holding plates 5, 5 ′ fixed to the hinge means 13, 13 ′ are suspended along both side surfaces of the folding edge 19. When the push lever 3 is moved downward from the state of FIG. 2, the holding plate 5, 5 ′ is pressed against the side of the folding edge 19 by the sandwiching portion 4, and the holding plate 5, 5 ′ is moved to the side of the folding edge 19. The support part 30 that is held by pressure bonding and connected to the entire holding and fixing means 1 and the base frame 9 is fixed to the roof.
[0026]
FIG. 3 is a sectional view taken along the line III-III in FIG. 2, and is a diagram for explaining the operation of the present system. In the figure, when the push lever 3 is pushed downward (arrow D), the nail-like portion that hits the bottom of the L-shape of the holding plates 5 and 5 ′ is pressed by the clamping portion 4, and the tip of the nail-like portion is pushed. The portion is pressed against the side surface of the folding edge 19 (arrow P), and the holding plates 5 and 5 ′ are pressed and held on the side surface of the folding edge 19. The substrate 6 placed on the upper surface of the folding edge 19 supports the folding edge 19 from the inside even if the side surface of the folding edge 19 is pressed by the holding plates 5 and 5 ′, so the folding edge 19 is not crushed.
[0027]
【Example】
Other embodiments will be described below in detail with reference to the drawings.
[0028]
[Example 1]
FIG. 4 is a perspective view showing the clamping and fixing means 31 of the on-roof work sliding prevention system according to the present invention, which is used when the upper surface of the roof is constructed by the vertical flat method. The folding edge 22 of the roof is formed in a bowl shape by simple joining. In this example, the substrate 36 of the clamping and fixing means 31 is provided on a plane parallel to the operating plane of the push lever 33 so as to be attached to the side surface of the folding edge 22, and the holder 32 is fixed on the side surface. Yes.
[0029]
The lower half of the fixed substrate 36 is curved so as to be attached to the side surface of the folding edge 22. The substrate 36 is provided with only one holding plate 35 that can be opened and closed via a hinge means 43, and the lower half of the holding plate 35 is also curved like the substrate 36. Due to the structure of the clamping and fixing means 31, the hook-shaped folding edge by the vertical and flat rolling method is clamped and the system can be fixed on the roof.
[0030]
FIG. 5 is a cross-sectional explanatory view taken along the line V-V in FIG. 4 and is a diagram illustrating the operation of the present embodiment. In the figure, when the substrate 36 is fixed to the folding side surface of the folding edge 22 and the push lever 33 is pushed downward (arrow D), the nail-like portion of the holding plate 35 is pressed by the holding portion 34. The tip of the claw-shaped portion is pressed against the side surface of the folding edge 22 (arrow P), and the holding plate 35 and the substrate 36 are pressed and held on the side surface of the folding edge 22.
[0031]
[Example 2]
FIG. 6 shows the sandwiching of the anti-skid system for roof work according to the present invention, which is used when the roof upper surface is formed by folding a steel plate into a flat shape and the folding edge is formed downward in the inclination direction of the roof. It is a perspective view which shows the fixing means 51. FIG. In this example, each portion of the substrate 56 of the clamping and fixing means 51 is fixed so that the back surface thereof is placed on the roof plate. The holder 52 is fixed along the surface of the substrate 56.
[0032]
Two fulcrum structures 67 and 67 '(not shown) provided on both the left and right ends of the substrate 56 are provided with pins 57 and pins 57' (not shown) that serve as fulcrums for the operation of the clamping portion 54. The pins 57, 57 ′ are connected to the clamping part 54 at a position shifted from the center of the clamping part 54 so that the clamping part 54 fixed to the push lever 53 operates like an eccentric cam. Is provided.
[0033]
A holding plate 55 is hinged on the substrate 56 via a hinge means 63. The leading end portion of the holding plate 55 is provided with a biting angle in order to ensure clamping of a folding edge (not shown). On the other hand, also in the front end portion 55 ′ of the substrate 56, in order to insert the front end portion 55 ′ into the gap between the folding edge (not shown) and the roof plate that is wound under the same, A similar biting angle is provided.
[0034]
FIG. 7 is a side view of the present embodiment and is a diagram for explaining the operation of the present embodiment. In the figure, when the push lever 53 is pushed (arrow D), the clamping portion 54 operates like an eccentric cam and presses the upper surface of the holding plate 55, and the pressed holding plate 55 is formed by a tongue plate 70. The edge is crimped (arrow P), and the folding edge is clamped by the front end 55 ′ of the substrate 56 and the holding plate 55 inserted in the lower part, so that the present system can be fixed on the roof.
[0035]
【The invention's effect】
According to the roof slip-off prevention system of the present invention, since it is configured as described above, it can be easily and quickly installed and removed, and has a simple configuration that can be used in local roof work. The system can prevent the operator from sliding down when working on the roof.
[0036]
Further, according to the present invention, by providing the attachment of the clamping and fixing means according to the roofing method, the system can be installed only by replacing the attachment on any roofing method. Can be prevented.
[0037]
Furthermore, according to the present invention, since the vertical frame angle adjusting means is provided, the guard portion can be supported in the vertical direction even on a roof with any slope, and the sliding-preventing effect can be enhanced.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an example of a slip-off prevention system for work on a roof according to the present invention.
2 is a perspective view showing the clamping and fixing means 1 of FIG. 1. FIG.
3 is a cross sectional view taken along the line III-III in FIG. 2;
FIG. 4 is a perspective view showing a clamping / fixing means 31 of the present system.
5 is a cross-sectional explanatory view taken along the arrow VV in FIG. 4;
FIG. 6 is a perspective view showing a clamping and fixing means 51 of the present system.
7 is an explanatory side view of FIG. 6. FIG.
[Explanation of symbols]
1, 1B, 31, 51 ... clamping means, 2, 32, 52 ... holder, 3, 33, 53 ... push lever, 4, 34, 54 ... clamping part, 5, 35, 55 ... holding plate, 6, 36 56 ... Substrate 7, 37, 57 ... Pin 8 ... Connection structure 9, 9B ... Base frame 10, 10B ... Vertical frame 11, 11B ... Angle adjusting means 12, 12B ... Butterfly attachment means (vertical frame ), 13, 43, 63 ... Hinging means (holding plate), 14, 21, 40, 60 ... Push screw, 15, 15B, 16, 16B ... Horizontal guard material horizontal means, 17, 18 ... Horizontal guard material, 19, 22 ... roof folding edge, 27 ... fulcrum structure, 30 ... support part, 55 '... tip of substrate 56, 70 ... tin plate, D ... push lever operation direction, P ... holding plate operation direction

Claims (3)

A support part that is installed in an inclined direction of the roof upper surface and supports a guard part, which will be described later, and is detachably fixed to the upper end part of the support part, and is fixed to the roof by sandwiching the folding edge of the roof plate. a clamping fixing means for fixing to the roof, and a guard portion for preventing the slipping of the laterally placed linked roof worker roof to the support portion, Tona is, it is fixed the support and to The holding and fixing means comprises at least two base frames, and the support part comprises a base frame installed along the upper surface of the roof, and a vertical frame that is hinged to the base frame and supports the guard part horizontally. The support portion has angle adjusting means capable of adjusting an angle formed by the base frame and the vertical frame within an acute angle range, and the guard portion is the vertical portion hinged by the hinge means. Butterfly by means of butterfly on the frame A horizontal guard member and a horizontal guard member that can be detachably connected to the horizontal guard member. The clamping and fixing unit is configured to fix the clamping and fixing unit to the base frame. It comprises a holder, two holding plates for pressing and holding the folding edge of the roof from the side, and a clamping part for pressing the holding plate from the outside and crimping it to the folding edge. Sliding prevention system for work on the roof. The on-roof work slippage prevention system according to claim 1, wherein the holding and fixing means includes a push lever connected to the holding portion in order to operate the holding portion . A support part for supporting the guard part, which will be described later, installed in the inclination direction of the upper surface of the roof, and a folding edge of the roof plate which is detachably fixed to the upper end part of the support part and formed downward in the inclination direction of the roof Clamping and fixing means for fixing the support portion to the roof by being clamped from above and below, and a guard horizontally connected to the support portion to prevent the operator on the roof from slipping off the roof At least two of the supporting parts and the clamping and fixing means fixed to the supporting parts. The supporting parts are foundation frames installed along the upper surface of the roof, and are hinged to the foundation frames. A vertical frame for horizontally supporting the guard part, and the support part has an angle adjusting means capable of adjusting an angle formed by the base frame and the vertical frame within an acute angle range; Guard part is few Is also composed of one or a plurality of detachable horizontal guard members horizontally connected between the vertical frames respectively provided on the respective base frames of the support portion, and the hinges are mounted on the vertical frames hinged by the hinge means. A horizontal guard member that is hinged by the means and one or a plurality of horizontal guard members that can be detachably connected to the horizontal guard member. The clamping and fixing means is fixed to the substrate and the substrate. A holder for fixing the clamping and fixing means to the base frame, a holding plate that is screwed to the substrate and presses the folding edge of the roof from above and clamps the folding edge together with the substrate, An on-roof work slippage prevention system comprising: a clamping part for pressing the holding plate; and a push lever for fixing the clamping part and operating the clamping part like an eccentric cam.

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